Jacob Tremblay's 'Uptown Funk' dance: Don't believe him? Just watch!

The 9-year-old actor, who's winning rave reviews for his star-making role in "Room," posted a video on his incredible Instagram account on Monday of himself dancing to Bruno Mars' hit "Uptown Funk" and his moves are impressive.

Clearly in a good mood following his win at the Critics' Choice Awards for Best Young Actor/Actress on Sunday night, the pint-sized actor was surrounding be a circle of people double his size as he spun around in a coat and tie.

Tremblay also made headlines for his Critics' Choice acceptance speech, which garnered some of the best reaction faces from the adoring crowd of A-listers ever:

See more photos of Jacob Tremblay at the 2016 Critics' Choice Awards:
​